Chai Nam is a subdistrict in Wang Thong district, Phitsanulok province. It is connected to Highways 11 and 12. In 2022 it had a population of 6,205. The economy is mainly based on agriculture.

Geography

The topography of Chai Nam subdistrict is lowland with mountainous areas in the northern parts of Moo1, Moo7 and Moo8 and part of Moo6. The southernmost part of Khao Noi–Khao Pradu Non-hunting Area is located in Moo1. In the national reserved forest are: north of highway 12 Wang Thong River Basin (forest right) and south of highway 12 Wang Thong River Basin (forest left). The subdistrict is located in the lower northern part of Thailand. The subdistrict is bordered to the north by Don Thong subdistrict, Mueang Phitsanulok district, to the east by Wang Nok Aen subdistrict, Wang Thong district, to the south by Din Thong subdistrict, Wang Thong district, to the west by Din Thong and Wang Thong subdistricts, Mueang Phitsanulok district. The Wang Thong River flows through the subdistrict and lies in the Nan Basin, which is part of the Chao Phraya Watershed. The subdistrict has connections with highway 12 and to the nearby highway 11.

Administration

Central government

The administration of Chai Nam subdistrict is responsible for an area that covers 28,500 rai ~ 45.6 sqkm and consists of nine administrative villages, as of 2022: 6,205 people.

Local government

Chai Nam is a subdistrict administrative organization - SAO (, abbreviated: อบต.ชัยนาม, o bo toh Chai Nam), which covers the whole tambon Chai Nam.

Temples

Chai Nam subdistrict is home to the following active temples, where Theravada Buddhism is practiced by local residents.

Economy

The majority of people, about 80 percent, work in agriculture: growing rice, fruit orchards and vegetable crops.

Education

The following elementary/secondary schools are located in Chai Nam.

Healthcare

There is Chai Nam health-promoting hospital in Moo3.

Transportation

The subdistrict is connected to highways 11 southbound (Nakhon Sawan route), 12 westbound (Tak route) and 12 eastbound (Khon Kaen route).